함수

겟값 가져오기: {{ Request::get('a') }}
{{ request()->get('a') }}

{{ Request()->parameter }}

{{ app('request')->input('a') }}

#You can publicly expose Input facade via an alias in config/app.php
'aliases' => [
    ...

    'Input' => Illuminate\\Support\\Facades\\Input::class,
]
#And access url $_GET parameter values using the facade directly inside Blade view/template:
{{ Input::get('a') }}

쿼리 찍어보기
->toSql()